critical9.3
CVE-2011-4508
The HMI web server in Siemens WinCC flexible 2004, 2005, 2007, and 2008 before SP3; WinCC V11 (aka TIA portal) before SP2 Update 1; the TP, OP, MP, Comfort Pan…
Impact
The HMI web server in Siemens WinCC flexible 2004, 2005, 2007, and 2008 before SP3; WinCC V11 (aka TIA portal) before SP2 Update 1; the TP, OP, MP, Comfort Panels, and Mobile Panels SIMATIC HMI panels; WinCC V11 Runtime Advanced; and WinCC flexible Runtime generates predictable authentication tokens for cookies, which makes it easier for remote attackers to bypass authentication via a crafted cookie.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Siemens | Wincc Flexible | Versions 2004, 2005, 2007, 2008 |
| Siemens | Wincc | through v11 Version v11 |
| Siemens | Simatic Hmi Panels | Versions comfort_panels, mobile_panels, mp, op, tp |
| Siemens | Wincc Runtime Advanced | Version v11 |
| Siemens | Wincc Flexible Runtime | All versions |
Weakness classification
References
- NVD record
- CVE.org record
- http://www.siemens.com/corporate-technology/pool/de/forschungsfelder/siemens_security_advisory_ssa-345442.pdf
- http://www.us-cert.gov/control_systems/pdf/ICSA-12-030-01.pdf
- http://www.siemens.com/corporate-technology/pool/de/forschungsfelder/siemens_security_advisory_ssa-345442.pdf
- http://www.us-cert.gov/control_systems/pdf/ICSA-12-030-01.pdf